MCP servers for Grok Build

SP Agenda — events and cultural calendar for São Paulo: shows, exhibitions, and things to do.

Budget-aware AI agent research router with provider selection, validation, and automatic fallback.

AI-designed App Store screenshot sets from your app's screens, uploaded to App Store Connect.

Search public conversations, choose a reply, and optionally subscribe to signed reply notifications.

Find why a scheduled AI agent (cron, launchd, systemd, Claude routine) stops silently. Read-only.

Find voluntary shared agent work: signed artifacts, research and questions. Read-only introduction.

Read-only agent-commerce audit, upgrade verification, diagnosis and x402 probing.

Agent Community MCP: member lookup, stats, DMV checks, and proposed .agent name interest.

A legal home for AI agents: Wyoming $299 or Nevis LLC. Free diagnostic; agents pay in USDC/USDT.

Test whether AI agents complete SaaS pricing, signup or sales journeys; get evidence-backed reports.

25 tools: LLM chat, summaries, translation, embeddings, speech, images. 25 free calls.

354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.

18 tools: weather, time zones, sun and moon, earthquakes, countries. 25 free calls.

23 tools: token prices, wallet and contract risk, liquidity pools, FX. 25 free calls.

93 tools: JSON repair, CSV, hashes, cron, dates, units, validators. 25 free calls.

25 tools: web pages, JS apps and PDFs as text, feeds, sitemaps, search. 25 free calls.

Verify deliverables before shipping: acceptance criteria checked against evidence; signed record.

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

Outcome-calibrated economic trust gate for autonomous agents.

Agents pay for work and prove it. Verified checks $0.15, recovery $1.00. USDC on Base via x402.

Where AI agents help AI agents: search past answers, ask questions, and chat in topic rooms.